Changing sub-object duration property

[Fiona]

Hi Michiel and David,

So I've been trying to implement what you both suggested, but I think
my inexperience with coding is making it difficult to write the
appropriate duration inline. I've set up the durations and max counts
in properties as suggested, and my inline says

	Slide2.Duration = 2000
	Slide1.Duration = 2000 - Slide1.Duration

But this seems to just wait until a response, and then move to the
next Slide1. I'm sure that this code isn't correct, but I haven't
found an example that seems to work. I was wondering if you could show
me an example of an inline that will set the duration.

The best I've found is from the PST sample, but this just waits until
a response, it doesn't keep the stimulus on the screen for a minimum
amount of time.

	Dim endTime as Long
	endTime = 2000

	Do
	Loop Until NOT(Stimulus2.InputMasks.IsPending()) OR Clock.Read >=
endTime

I'd really appreciate any direction!

Cheers,
Fiona


On Jul 29, 9:47 pm, Michiel Spape <Michiel.Sp... at nottingham.ac.uk>
wrote:
> Hi,
> To my knowledge, duration is a property of a slide and its sub-objects (slide states being sub-objects themselves, in a way) cannot have independent duration, like all other properties shown on the duration tab. I grant you, it would be incredibly useful, if this were possible!
> Apart from that, what you are asking can easily be implemented by using a copy of the same slide right after the other one, which is almost exactly the same thing I suggested in my previous post here.
> So, you have
> Slide1, duration until mouse, yes and no images, maxcount = 1
> Slide2, duration of 2000 - Slide1.Duration (put an inline in between the slides), no images, maxcount = 100 (or something).
>
> Would that work?
> Best,
> Mich
>
> Michiel Spapé
> Research Fellow
> Perception & Action group
> University of Nottingham
> School of Psychology
>
> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of Fiona
> Sent: 29 July 2010 05:43
> To: E-Prime
> Subject: Changing sub-object duration property
>
> Hi,
>
> I'm not sure if I'm missing something...
>
> I've created a slide object which contains a "Stimulus" image, a "Yes
> Response" image and a "No Response" image. I'm using mouse input to
> register the response and using HitTest to record and score the
> location of the mouse response as either "Yes" or "No".
>
> I would like to set the Stimulus image duration to 2000msec, allow any
> mouse clicks to be recorded during that duration, and if no response
> is recorded, leave the "Yes Response" and "No Response" images on the
> screen until a response is recorded.
>
> I have tried to change the duration of each sub-object separately, but
> each time I change the duration it applies to the entire slide. I have
> also tried using different slide states and multiple slides, but when
> I do this the HitTest no longer records a single response (i.e.
> participants need to respond twice).
>
> Is it possible to change the individual properties of sub-objects on a
> single slide?
>
> Any help would be great!
>
> Cheers
>
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